Page 22 - Math Course 3 (Book 2)
P. 22
Proving a Quadrilateral is a Parallelogram
Skill Practice!
Determine whether each quadrilateral is a parallelogram. Justify your answer.
1. 2.
3. 4.
COORDINATE GEOMETRY Determine whether a figure with the given vertices is a parallelogram. Use the
method indicated.
5. P(0, 0), Q(3, 4), S(7, 4), Y(4, 0); Slope Formula
6. S(–2, 1), R(1, 3), T(2, 0), Z(–1, –2); Distance and Slope Formula
7. W(2, 5), R(3, 3), Y(–2, –3), N(–3, 1); Midpoint Formula
ALGEBRA Find x and y so that each quadrilateral is a parallelogram.
8. 9.
10. 11.
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